* {
  box-sizing:border-box;
}
*:before,
*:after {
  box-sizing:border-box;
}
/*样式重置*/
html, body, h1, h2, h3, h4, h5, h6, div, dl, dt, dd, ul, ol, li, p, blockquote, pre, hr, figure, table, caption, th, td, form, fieldset, legend, input, button, textarea, menu {
  margin: 0;
  padding: 0;
}

header, footer, section, article, aside, nav, hgroup, address, figure, figcaption, menu, details {
  display: block;
}

audio,
canvas,
progress,
video {
  display: inline-block;
  vertical-align: baseline;
}

body {
  font-family: 'Helvetica Neue',Helvetica,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',Arial,sans-serif;
  line-height: 1.5;
  font-size: 16px;
  color: #000;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  outline: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-size: 100%;
  font-weight: normal;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

td,
th {
  padding: 0;
}

caption, th {
  text-align: left;
}

fieldset,
img {
  border: 0;
  display: block;
}

li {
  list-style: none;
}

input,
button,
textarea,
select,
optgroup,
option {
  margin: 0;
  font: inherit;
  color: inherit;
  font-family: inherit;
  font-size: inherit;
  font-style: inherit;
  font-weight: inherit;
  outline: 0; }
button {
  overflow: visible;
}

button,
select {
  text-transform: none;
}

button {
  -webkit-appearance: none;
  border: 0;
  background: none; }

a {
  -webkit-touch-callout: none;
  text-decoration: none;
   color: #2db7f5;
    background: transparent;
    text-decoration: none;
    outline: none;
    cursor: pointer; }

:focus {
  outline: 0;
  -webkit-tap-highlight-color: transparent; }

em, i {
  font-style: normal; }

button,
html input[type="button"],
input[type="reset"],
input[type="submit"] {
  -webkit-appearance: button;
  cursor: pointer;
}